Ur father,he is a billionare in the city,but before you were born,your father Left your mom to be with another woman. Your mom tell you about your father,but your mom died because cancer.you want a revenge to your father

You remember that he has a son.his son is the CEO in a company,so you apply the job there to get ur revenge

On working day His son,jonggun is waiting for you for interview,after a while "I think,ill hire you as my personal assistant." He smirks